Essential cat ions in muscle contraction

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

hope this : )

it should have an internal chamber and two thermometers sticking out of the top. the internal chamber will also be closed off from the outside.